Cloudstack Version 4.18.1 upgrade to Cloudstack Version 4.20.1

 Cloudstack Version 4.18.1 upgrade to Cloudstack Version 4.20.1.

Cloudstack Version Upgrade to 4.20.1

Prerequisites:

> Ubuntu OS Version 20 and above. (This document is applicable for Ubuntu Version 20 "Focal" version)

> Java Version 17

> Make sure sudo rights are assigned to the user to upgrade Cloudstack Version to 4.20.1

> Make sure Ubuntu OS Repository is accessible from internet or Local Repo server.

> Server FQDN entry should be correctly added in the /etc/hosts file.

Note: Upgradation steps are compatible with Cloudestack Version 4.18.1 with Database server MySql. If Maria DB is integrated with Cloudstack then please make sure to upgrade Maria DB to latest version before Cloudstack upgrade.

Upgradation Steps for the Cloudstack Management server.

> Upload Cloudstack version 4.20.1 System VM Template in the Cloudstack Management server.

Login to the Cloudstack Version 4.18.1 using admin user > Go to Templates > Select the Zone and follow the following steps.

Name: systemvm-kvm-4.20.1-x86_64

Description: systemvm-kvm-4.20.1-x86_64

URL: http://download.cloudstack.org/systemvm/4.20/systemvmtemplate-4.20.1-x86_64-kvm.qcow2.bz2

Zone: Choose the zone where this hypervisor is used

Hypervisor: KVM

Format: QCOW2

OS Type: Debian GNU/Linux 7.0 (64-bit) (or the highest Debian release number available in the dropdown)

Extractable: no

Password Enabled: no

Public: no

Featured: no

Routing: no

> Stop the Cloudstack-Management server.

Command: #systemctl stop cloudstack-management

                   #systemctl disable cloudstack-management

> Take the backup of Cloud and Cloud-usage Database.

Command: #mysqldump -u root -p -R cloud > cloud-backup_$(date +%Y-%m-%d-%H%M%S)

                    #mysqldump -u root -p cloud_usage > cloud_usage-backup_$(date +%Y-%m-%d-%H%M%S)

> Copy the Cloudstack-management 4.20.1 and Common 4.20.1 deb files to Cloudstack management server.

Access the Cloudstack management server in the Putty tool

Command: #mkdir /csm4201

                    #cd /csm4201

                    #wget http://download.cloudstack.org/ubuntu/dists/focal/4.20/pool/cloudstack-common_4.20.1.0_all.deb

                   #wget http://download.cloudstack.org/ubuntu/dists/focal/4.20/pool/cloudstack-management_4.20.1.0_all.deb

> Upgrade Cloudstack management server version 4.18.1 to version 4.20.1

Command: #apt-get upgrade ./cloudstack-common_4.20.1.0_all.deb ./cloudstack-management_4.20.1.0_all.deb

Note: Upgrade process also upgrade Java Version 11 to Java Version 17. During the upgrade select Default seating and don't change any configuration file.

> Enable and start Cloudstack management service.

Command: #systemctl enable cloudstack-management

                    #systemctl start cloudstack-management

> Loging to the Cloudstack management server in the URL and check the following version details




Upgradation steps to Cloudstack Agent ( Ubuntu KVM Hypervisor Version 20 or 22 ) 

> Copy the Cloudstack-agent 4.20.1 and Common 4.20.1 deb files on the KVM Hypervisor.

Command: #mkdir /csm4201

                    #cd /csm4201

                    #wget http://download.cloudstack.org/ubuntu/dists/focal/4.20/pool/cloudstack-agent_4.20.1.0_all.deb

                   #wget http://download.cloudstack.org/ubuntu/dists/focal/4.20/pool/cloudstack-common_4.20.1.0_all.deb

> Take the backup of agent.properties file in the /root directory

Command: #cp /etc/cloudstack/agent/agent.properties /root

> Upgrade Cloudstack-agent to version 4.20.1

Command: #apt-get upgrade ./cloudstack-common_4.20.1.0_all.deb ./cloudstack-agent_4.20.1.0_all.deb

Upgrade System and Router VMs.

> Login to the Cloudstack URL - Select the zone - Go to System VMs Tab - Select the Console Proxy / System VM and click on Path the VM tab.



Follow the same procedure with all the Zones (Console proxy / System and Router) VMs. Once the patching is done the Cloudstack Management server is upgraded successfully to Version 4.20.1

                   



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